Lay down tub



FIG. 1 is a perspective view of a lay down tub embodying the present invention; and,

FIG. 2 is a top view of the design shown in FIG. 1.

The broken line showing of the environment is for illustrative purposes only and forms no part of the claimed design. The perspective view of the lay down tub opposite that illustrated in FIG. 1 is a mirror image of FIG. 1. 

We claim the ornamental design for a lay down tub, as shown and described. 